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The Global ETD Search service is a free service for researchers
to find electronic theses and dissertations. This service is
provided by the
Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
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Showing 141 to 150 of 1552 (0.066 seconds)Spelling suggestions: "subject:"diseases anda tests"" "subject:"diseases anda pesar""
| 141 |
Pests, pathogens, competitors and weed fungi of cultivated oyster mushrooms (Pleurotus spp) in South AfricaDu Plooy, Gertina Wilhelmina 14 August 2007 (has links)
Please read the abstract in the section 07back of this document / Dissertation (MSc (Botany))--University of Pretoria, 2007. / Plant Science / MSc / unrestricted
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| 142 |
Inoculation and Spread of Dickeya in PotatoesGreiner, Blake William January 2019 (has links)
Field experiments were conducted in two different growing environments to evaluate the spread and movement of Dickeya dadantii. A procedure to inoculate seed potatoes with Dickeya dadantii was developed to use during this study. Spread of Dickeya dadantii from inoculated potato seed to healthy potato seed during the handling, cutting and planting procedures was not detected at either location. Spread of Dickeya dadantii from inoculated seed to surrounding progeny tubers in the field was documented in both locations. In Florida, 33% of progeny tubers tested positive for Dickeya using PCR, and in North Dakota, 13% of the progeny tubers tested positive. Stunting was observed in plants grown from Dickeya dadantii inoculated seed tubers in North Dakota, but not in Florida. These results indicate that Dickeya dadantii may spread during the seed handling and cutting processes and can spread in the field from infected seed tubers to progeny tubers.
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| 143 |
An evaluation of potential apple replant disease treatments for Quebec /Jensen, Paul January 1985 (has links)
No description available.
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| 144 |
The influence of lesion nematode infection on plant water relations and root integrity.Kaplan, David Todd 01 January 1975 (has links) (PDF)
No description available.
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| 145 |
The biology and control of certain species of crustacea of the families Oniscidae and Armadillidiidae.Hathaway, Wilfred Bostock 01 January 1947 (has links) (PDF)
No description available.
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| 146 |
Physiologic studies upon the parasitism of Alternaria solani (Ellis & Mart.) Jones and Grout.Santerre, Jacquelin. January 1960 (has links)
No description available.
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| 147 |
The curculionidae of alfalfa in KansasMarshall, George Edward. January 1929 (has links)
Call number: LD2668 .T4 1929 M32
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| 148 |
The rapid plant bug, Adelphocoris rapidus (Say) (Miridae), with especial reference to alfalfa injuryCurtiss, Alfred Charles. January 1940 (has links)
LD2668 .T4 1940 C8 / Master of Science
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| 149 |
Insects attacking ground cherry (Physalis Spp.) SolanaceaeMcGee, William Harry. January 1948 (has links)
Call number: LD2668 .T4 1948 M33 / Master of Science
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| 150 |
Sources of resistance to wheat straw-worm Harmolita grandis (Riley)Gates, Dell Edward. January 1952 (has links)
Call number: LD2668 .T4 1952 G3 / Master of Science
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